Answer:
x = 64°; y = 101°
Step-by-step explanation:
Sum of the angles in any convex triangle is 180°
x = 180 - (58 + 58) = 64°
Vertical angles are equal
z = x = 64°
Sum of the angles in any convex quadrilateral is 360°
y = 360 - (93 + 102 + 64) = 101°
